1.
Rafiana A. S. AB, Maulana MI, Anwar, Burhanuddin, Nurman. OPTIMAL PORTFOLIO FORMATION ANALYSIS USING THE SINGLE INDEX MODEL DURING THE COVID-19 PANDEMIC: A Study on The LQ 45 Index on the Indonesian Stock Exchange (IDX). J. Hum. Soc. Sci. Bus. [Internet]. 2023 Jun. 15 [cited 2026 Mar. 7];2(3):468-81. Available from: https://ojs.transpublika.com/index.php/JHSSB/article/view/625